In our ordinary life,we can see many aluminum products,such as aluminum pot and aluminum alloy window.And with the high quality of our life,car is not a stranger for us any more.Most modern cars use aluminum heatsink to reduce the temperature when the car is used.We all know that aluminum was invented in Germany in 1827.However until the last few years,the Chinese aluminum machining industry has become a booming business and got continuous growth due to the booming demand from the Russian and East Europe-Market.